Project Number Date
test_Tails_ISO_stable 6152 17 Feb 2026, 14:10

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 7:39.626 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
20.116
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 7.458
And I prepare Tails for memory erasure tests 0.356
When I start a process allocating 128 MiB of memory with a known pattern 2.191
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.358 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.184
Then I find very few patterns in the guest's memory after 5 seconds 7.566 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 0.906
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
20.410
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.520
And I prepare Tails for memory erasure tests 0.433
And I find very few patterns in the guest's memory 1.976 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.137
Then patterns cover at least 99% of the test FS size in the guest's memory 2.490 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.835
Then I find very few patterns in the guest's memory after 3 seconds 5.016 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 0.853
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
35.237
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 7.397
And I prepare Tails for memory erasure tests 0.410
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.514
Then I find very few patterns in the guest's memory 2.130 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.118
Then patterns cover at least 75% of the test FS size in the guest's memory 2.083 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.072
Then I find very few patterns in the guest's memory after 3 seconds 4.905 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
# read cache
When I mount the USB drive again 0.223
And I read the content of the test FS 0.415
Then patterns cover at least 99% of the test FS size in the guest's memory 2.382 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.345
Then I find very few patterns in the guest's memory after 3 seconds 5.238 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
After features/support/hooks.rb:331 1.236
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.317
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 7.338
And I prepare Tails for memory erasure tests 0.345
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.576
Then I find very few patterns in the guest's memory 2.179 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.072
Then patterns cover at least 99% of the test FS size in the guest's memory 1.995 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.595
Then I find very few patterns in the guest's memory after 3 seconds 4.626 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# read cache
When I mount the USB drive again 3.614
And I read the content of the test FS 0.338
Then patterns cover at least 99% of the test FS size in the guest's memory 2.166 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.385
Then I find very few patterns in the guest's memory after 3 seconds 5.082 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 1.033
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.500
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.533
And I prepare Tails for memory erasure tests 0.296
When I fill a 128 MiB file with a known pattern on the root filesystem 13.674
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.847
Then patterns cover at least 128 MiB in the guest's memory 1.604 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.539 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 3.551
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:39.043
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:6.607
And I prepare Tails for memory erasure tests 0.446
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.072
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.910 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
After features/support/hooks.rb:331 3.689
After features/support/hooks.rb:100 0.011